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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#import "content/app_shim_remote_cocoa/popup_window_mac.h"
#import "content/app_shim_remote_cocoa/render_widget_host_view_cocoa.h"
#include "ui/gfx/mac/coordinate_conversion.h"
@interface RenderWidgetPopupWindow : NSWindow
@end
@implementation RenderWidgetPopupWindow {
// The event tap that allows monitoring of all events, to properly close with
// a click outside the bounds of the window.
id __strong _clickEventTap;
}
- (instancetype)initWithContentRect:(NSRect)contentRect
styleMask:(NSUInteger)windowStyle
backing:(NSBackingStoreType)bufferingType
defer:(BOOL)deferCreation {
if (self = [super initWithContentRect:contentRect
styleMask:windowStyle
backing:bufferingType
defer:deferCreation]) {
self.backgroundColor = NSColor.clearColor;
[self startObservingClicks];
}
return self;
}
- (void)dealloc {
[self stopObservingClicks];
}
- (void)close {
[self stopObservingClicks];
[super close];
}
// Gets called when the menubar is clicked.
// Needed because the local event monitor doesn't see the click on the menubar.
- (void)beganTracking:(NSNotification*)notification {
[self close];
}
// Install the callback.
- (void)startObservingClicks {
RenderWidgetPopupWindow* __weak weakSelf = self;
_clickEventTap = [NSEvent
addLocalMonitorForEventsMatchingMask:NSEventMaskAny
handler:^NSEvent*(NSEvent* event) {
RenderWidgetPopupWindow* strongSelf =
weakSelf;
if (event.window == strongSelf) {
return event;
}
NSEventType eventType = event.type;
if (eventType ==
NSEventTypeLeftMouseDown ||
eventType ==
NSEventTypeRightMouseDown) {
[strongSelf close];
}
return event;
}];
[NSNotificationCenter.defaultCenter
addObserver:self
selector:@selector(beganTracking:)
name:NSMenuDidBeginTrackingNotification
object:NSApp.mainMenu];
}
// Remove the callback.
- (void)stopObservingClicks {
if (!_clickEventTap)
return;
[NSEvent removeMonitor:_clickEventTap];
_clickEventTap = nil;
[NSNotificationCenter.defaultCenter
removeObserver:self
name:NSMenuDidBeginTrackingNotification
object:[NSApp mainMenu]];
}
@end
namespace remote_cocoa {
PopupWindowMac::PopupWindowMac(const gfx::Rect& content_rect,
RenderWidgetHostViewCocoa* cocoa_view)
: cocoa_view_(cocoa_view) {
cocoa_view_.closeOnDeactivate = YES;
cocoa_view_.canBeKeyView = NO;
popup_window_ = [[RenderWidgetPopupWindow alloc]
initWithContentRect:gfx::ScreenRectToNSRect(content_rect)
styleMask:NSWindowStyleMaskBorderless
backing:NSBackingStoreBuffered
defer:NO];
popup_window_.hasShadow = YES;
popup_window_.level = NSPopUpMenuWindowLevel;
popup_window_.releasedWhenClosed = NO;
[popup_window_ makeKeyAndOrderFront:nil];
[popup_window_.contentView addSubview:cocoa_view_];
cocoa_view_.frame = popup_window_.contentView.bounds;
cocoa_view_.autoresizingMask = NSViewWidthSizable | NSViewHeightSizable;
[NSNotificationCenter.defaultCenter
addObserver:cocoa_view_
selector:@selector(popupWindowWillClose:)
name:NSWindowWillCloseNotification
object:popup_window_];
}
PopupWindowMac::~PopupWindowMac() {
[NSNotificationCenter.defaultCenter
removeObserver:cocoa_view_
name:NSWindowWillCloseNotification
object:popup_window_];
}
} // namespace remote_cocoa
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